Finding the Fourth Proportional to 356,797.80, 492,403.74 and 235,726.68
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Solution
The fourth proportional to 356,797.80, 492,403.74 and 235,726.68 is: 325,317.87
Step by Step Solution
- Step 1: Write the proportion equation
356,797.80 : 492,403.74 = 235,726.68 : x - Step 2: Convert to fraction form
356,797.80/492,403.74 = 235,726.68/x - Step 3: Cross multiply
356,797.80x = 492,403.74 × 235,726.68 - Step 4: Simplify right side
356,797.80x = 116,072,698,849.78 - Step 5: Solve for x
x = 116,072,698,849.78/356,797.80 - Step 6: Final answer
x = 325,317.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.